Spark Shipping gives you the option to attach a PDF Packing Slip to send to your vendors to include them in shipments sent to your customers.
This option is available with all Email fulfillment methods.
*How to attach a Packing Slip?
1. Check the box 'Include an attached PDF Packing Slip' in the fulfillment settings page.
2. Optional: Add a Header message and a Footer message.
3. Optional: Add your company's logo to the top of the slip in your site settings.
*Attached is a sample Packing Slip for your reference.